Means for assembling nuts and bridge washers on valve stems



July 18, l 933. 1,918,528

MEANS FOR ASSEMBLING NUTS AND BRIDGE WASHERS ON VALVE STEMS J. FLEISCHLI ET AL Filed April 4, 1931 4 Sheets-Sheet l ma m M July 18, 1933. J FLEISCHLI r AL 1,918,528

MEANS FOR ASSEMBLING NUTS AND BRIDGE WASHERS ON VALVE STEMS Filed April 4, 1931 4 Sheets-Sheet 2 y 18, 19336: A. FLEISCHLI Er AL 1,918,528

MEANS FOR AS 'SEMBLING NUTS AND BRIDGE WASHERS ON VALVE STEMS 1 Filed April 4, 1931 4 Sheets-Sheet s l I I 34 a 4 15/ (MM mew Patented Jul is, '1933 JOHN A; FLEISCI-ILI, OF'CLAYTON, AND .msErHiir; KOUNTZMAlibF s'r. LOUIS, MISSOUL'RI,

* ssrGNoRs 'ro CUPPLES GOMPANW UFAGT RE S; oF s'i. LOUIS; ivnssormr n T I CORPORATION OF'MISSOURI" This in ventionrelates to means for assembling nuts and bridge washers onjjvalve vstenrs,' suchasthe valve stems ofpneumatic tubes 'used in tireicasin'gsj One of; the objects is to, produce a simple andinexpensive means for transferring nuts and bridge Washers from magazines tojan rotated.

Another object is to 1 provide for the delivery, of nuts and bridge washers t0 "valve stems of difierentshapesfand dimensions;

' further object is to 'produce adevice of this kind adapted "to receive approximately L,-shaped yalve.) stemS! 1- With thej foregolng' and other obj ects in iew, the invention Comprises the novel. construction,', combination; and 'arrangementfof ,p'artshereinaftenmorespecifically descr bed, r v

flbI'ld'ge ashers-are. selected and ji'lliistrated' 'n the accompanying drawings, Whereinis shownthe' preferred embodi ,.1nent-of thQinYentiong- V understood 1 that the. invention comprehends 12:16 changes, variations andmodifioations. which Howewer, it'is to be come Within th'e 'scope ofthe claims herennto aside View of a machine embody- .ijngthe features of this invention.

.,] Fig. :2 is a vert'calsection onfthe line 2 -2 i -Fig.1 In j' Figi3'is'a topview of the machine. I

a Fig.4 is a horizontal section of a magazine,

for holder, for a supply of mits. i 14.! Y 7 cipr'oca'ting carr' a'gefshOwin'g seats for anut I V V Y H The'other "pair oifqrijagazines'lnchldes g V Vertical nut holder Sand ayerticalfwasherq f Fig. .5 is a topview oi-"a portion of. re-

and bridge Washer. Fig; 6 is'a sectionontheline 6-6 inFig.

the addition of the lower portion "of Fig. 7 isa View siInilar-tof the carriage advanced to theleft a nut being located ,in, the wrench socket, and the next higher Illlt at t' hebottom f-th; a

zine being inhontact Withan inclined cam which retains it in the magazine.

' Fig. 8Iis asimilarw eyv showingfthe;cairthe bridge Washer'magazinah assemblingstation. 1-

, bridge Washers;

assembling station's:

. Wings. H g with a depression atfl3j(Figs. 5, and 10') to one of th'e inclined wings, and th ese 1931. s r i'aing. senses.

' the depressed 'seatfor the bridge washergsaid Figlill isa hoiy'angn- I: n

lar valve stems are located at oneof" the as-' 'sembling"stations." Fig. 12 is a similar. View .shov'vingihow are. located" at other ight v lve t ms.

ronnssnmsrmo nnrsjnnzo BBIiDGEQWASHERS ON YALVE'STEMS f Q Fig. 9Qisa similar iew,showin gf how the carriage canr'eturnunder the nut-magazine. g

3 fFigL-lO is a d'etail View showingthe lower portion of theibridgefwasher magazine and seat being" in] the reciprocating carriage; 1

he" bridge Washersare'not shown i'n'fthis A ar ia e,i pr ss.,b iweeh seem-. bllng stations Wherethe-partsare assembled".

and magazines; if'lfom"which the nuts; and

to the assemblingstationsi;

The reciprcocjatlng carri.ag Q -com tending into; horizontal recesses 3 formed stationary side nembersl l said recesses 'hav-" fling straight horizontal top andpbot'toin faces. 5 tog 1ide1th'e carriage. The magazines "forth-nuts] and bridge (Washers are arranged in} pairs to receive diff {79" i i l rans err d I I 8 9 ferent nuts and washersrto ,be'ap lied; to

Valve stemsof idifl'erent shapes an fldiarne:

ters. One pair ofniaga zinescomprises a V611- t1cal holder 6tov recelyej a yertlcalirow of I receive the corresponding bridge washers.

hexagonal nuts, and 'agv'ertical ho1der; 7-to holder; 9, to receive smaller nuts 7 and their The carriage,l including the transfer the nuts bridge washer to the The bridgefwasherslO 're p'ifidea'tvith inclined wlngs 11, yand the 1 reciprocating. ,95

has inclined,,faces"12;toreceives'a'id? 1 .table 1 V V Each inclined; f c 121s mvidea v I no table '1, reciprocates under these holders to v f 1 provide a relatively i rawar Fig. 1 and Fig. 3.

7 .As an illustration of a suitable means ;for; f

reciprocating thecarriage, we have shown a lever 16, pivoted at'17 (Fig. 1) and having "a slot at its upper'end' to receive a pin 18 on the carrier 2. Aeam' 19 has afgroO'veQO to receive a roller 21 on'the lever-16, and this I cam is secured to a'shaftQQ' provided with ofpower'by means of a belt24; 'The'bam .groove20 is shaped as shownin Figjl-to pulley 23 driven from any suitable source 7 at thevasf. 1 seiiibli-ng stations hereafter described. I v s The lassembling'stations include driving members to rotate the. nuts independently of 'tho bridgejwashers, and these driving meme bers include a belt25 2) which may be operatedjfromjany source of ower to drive ra-pulleyl26 on a shaft 27. The companion {shaft -2 8 (Fig; 2 isrotated by abeltf29 extending'from a pulley 301 to-a pulley 31 on said shaft 28. The upper end of, each shaft Q27. and 28 is provided with apulley 32, and

a belt 33 connecting said pulleys} fA' constant and continuou's'motion is thus'imparted to thebelt 33.v 7

V The assembling'stations arethusequipped v *with a source of po wer' to rotate the nuts. iTheQreciprocating carriage transfersifthe nuts and b-rid'ge'washers to theseassembling stations; p i This car iage' includes a wrench member 34 having a hexagonal socket'35" at the top members has a' shaft 36 rotatably'lmountedin the carrier 2' (Fig. 2,). and provided with a pulley. 37 adapted to engage the constantly movin g belt'33i: dWhen the pulley 37 contacts with thebelt33 *the Wrench member 34 .is I driven torotate the nut. .The valve stem 38 can then inserted, as shown in- Figf12, to screw the nut onto the valve stem. ,l The-reciprocatingcarriage also includes (Fig5f2) a drum 39 connecting a wrench member 40 to shaft 41 alined with the V 'soc'ketin. said wrench niembe'r, the lower zto engage the beltl33. 5 V l ,7 'i' v The wrench member 40 has a passageway" 43 extending from its nutsocl iet 44 to an i .end'of saidshafthavingapulley 42 adapted which connects the shaft 41 tothe wrench in1emberf40. ,"The approximately L-shaped wgvalve .stem 45' showninfFigill can, there 7 forefbe inserted vthrough said socket to l- ;cate its lateralextension in thedrum 39. f Theiaxis 'of the driving shaft 41 is alined si'ddofthe drum is ofi'set'from this a xisto 'livered as shown ,infFigI 8.

- bers 34 and 40, flThc:Iselected nut in Qne' Q wrench socket is thus rotated; while,theiother 1 wrench socket may be idly. driven. ff j y During the" assembling operation, the opcr ator inserts theivalve lstem 4501138 as sliowli :Figs. gllandf 12.7' At this timeythe to receive a hexagonalnuuand' this wrench. 51

' To l'ne' the hexagon wrench g p the hexagon nuts in,the' m'agazines6 and '85 i 7 each of the shafts '36 and- 41 "(Figs. 2.;and 3) isp'ro'vided with a hexagon member 5 1 adapted to engage astationarycam 52. When the siwiththe driven. wrenchflnemberf40, but the fciprocating carrier oan removefthe selected nuts and bridge washers from the magazines As the carrienmovesto the left in Fig. 6, the nut 46 drops into a recess 47 in the top of 'thetable 1 and a continued movement to the left causes thenut to lfall by gravity intothe' 'wrench'socket where'it lies as shown in Fig. 7-.- As the movementto the left is continued, a bridge washer 10 is de- The. carrier then :mov esi shown in Fig; 9,. and'itfreeIy passes under 7 i the: nut ma'gazine; A In this connection itwill be noted that'theftop of the table-' 1 has an.

inclined cam face 48 which servesi'as a cam I to permit reciprocation under the magazines.

The bridge washer lO in -Fi'g. 9 pas e under" the nut at the bottom of the "magazine 8:,

fall" intothe narrower recess '47 when fthe' tableasshown in .Fig 9p f'l" r When the selected nut. and bridgejwasher arriveat the assembling station, both :ofthe pulleys 37 and 42'engage the constantly mov-v ing belt-33, so as to rotate both wrench 1nem operator grasps aportion of the pneumatic tubel5Q-to whichfthevalve stem is secured v in 7 any suitable manner. The operation of inserting the valve stem maybe performed" by hand while the nut is beingrotatedat'the assembling station, and the valve 'stem'with 9 1 the assembled nut and bridge washer is then withdrawnTrom th'emachinjeL.

sakes with carriage moves to the left from the position :sh'own'in Fig. 3,- eachhexagonj nember 515 contactswith a cam52. andastraight 'faceT I v fof the hexagon slidesalonga, straight face 1 v open space lI1 the 1111361101'7 oflthe drum Q39 of the c m, thereby. holding theheXagOII wrench socket in ,alinement with the hexagon nuts in themagazine, so that the nut will,

I The'nutreceivingsockets at the upperends 1 a of the wrench members .3 4ian d Inay re? s iceive nuts gofdifferent sizesi as shownin' V; 2, and while the drum 39 provides the desi'red-F {space for L-shapjedyalve stems, 'it' is v to be drop intothe'V-hexagon socket.

to the-V 7 audit will be understood that thisnut cannot r understood that straight valve stems can v inserted into thisdrum. The shaft ll im-' mediately below said drum may be provided witha longitudinal bore at the bottom of the drum, as shown in Fig.2, so 'as to receivethe lower end of a straight valve stem. I

We claim: 1. In a means for applying nuts and bridge j washers to threaded valve stems, an assemblingstation wherethe parts are assembled, said station being provided with driving means to rotate thenuts, and a reciprocating device whereby the nutsand bridge washers are delivered to said assembling station, said reciprocating device including a rotary wrench having a -socket to receivethe nuts and a recessed seat to receive and prevent rotation of the bridge washers.

2. In a means for applying nuts and bridge washers to threaded valve stems, an assem.-

bling station where the parts are assembled,

, said station being provided with driving means to rotate the nuts, a reciprocating device whereby the nuts and bridge washers are delivered to said assembling station, said 7 vice.

3. In a means for applyinginuts and bridge f 4 1 washersto threaded valve stems, a magazine for thesupply of nuts, 'amagazine for the 5 supply "of bridge washers, a carriage pro- F vided'with a rotary, wrench having a socket to receive one of the nutsand a seatufor one a of the. bridge washers, said seat and socket being alinedwith ea'chotherto aline the, nut

and-bridge washer, means whereby said carriage is reciprocated to transfer the nuts and' bridge washers from said magazines to said wrench and seat,said wrench and seat being i movable with said reciprocating carriage so-i-' as to. move in opposite directions charge ends of said magazines. 7

JOHN AFLEISGHLL 1 f osEPH oUNTzMAma atthedis-yv it 

